Richard Dreyfuss' character, Mr Holland, sings this to his deaf son in the movie Mr. Holland's Opus
. In the scene, Mr. Holland is upset over the death of John Lennon. When his son asks him what is wrong, Mr. Holland explains that he wouldn't understand. The deaf son gets upset over this because he is not stupid, so Mr. Holland holds a concert at a school for the deaf and sings this song to his son.
Andrew - Oklahoma City, OK